Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
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Vacuum Pump: Testing and Inspection
Fig. 1 Control Unit Harness Connector Terminal Identification:
1.
Turn ignition switch to the On position.
2.
Connect a jumper wire between control unit harness connector terminal 4 and ground, refer to
Fig. 1. 3.
If the pump does not run, replace defective vacuum pump.
4.
If the pump runs, refer to
VACUUM PUMP VENT VALVE CHECK.